Practical results show that wear resistance of the groove surface is improved remarkably by laser quenching. It is an effective way to prolong the service life of the piston head.
实际运行结果在明，激光淬火是提高大型柴油机活塞顶使用寿命的有效途径。
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Die head material and processing:Use high-quality steel, after quenching and tempering, grinding the inside surface of the polished mirror surface plating treatment;